Multidimensional Phenotypic and Microbiome Studies Uncover an Association Between Reduced Feed Efficiency in Sheep During Mycoplasmal Pneumonia and Microbial Crosstalk Within the Rumen-Lung Axis
文献类型： 外文期刊
作者： Feng, Lianjun 1 ; Zhang, Yukun 1 ; Zhang, Xiaoxue 2 ; Li, Fadi 1 ; Huang, Kai 1 ; Zhang, Deyin 1 ; Ma, Zongwu 1 ; Yan, Chengqi 1 ; Zhang, Qi 1 ; Pu, Mengru 1 ; Xiao, Ziyue 1 ; Gao, Lei 1 ; Lin, Changchun 2 ; Wu, Weiwei 3 ; Wang, Weimin 1 ; Tian, Huibin 1 ;
作者机构： 1.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Lanzhou 730020, Peoples R China
2.Gansu Agr Univ, Coll Anim Sci & Technol, Lanzhou 730046, Peoples R China
3.Xinjiang Acad Anim Sci, Inst Anim Sci, Urumqi 830000, Peoples R China
关键词： Mycoplasmal pneumonia of sheep; production performance; pulmonary microbiota; rumen microbiota; microbiota cross-talk; rumen-lung axis
期刊名称：VETERINARY SCIENCES （ 影响因子：2.3； 五年影响因子：2.4 ）
ISSN：
年卷期： 2025 年 12 卷 8 期
页码：
收录情况： SCI
摘要： Mycoplasmal pneumonia of sheep (MPS), caused by Mesomycoplasma (Mycoplasma) ovipneumoniae, profoundly impacts ovine productivity and survival. Although gut-lung microbiota interactions are increasingly recognized in respiratory diseases, whether similar crosstalk occurs between the lung and rumen microbiota in MPS-affected sheep remains unknown. To investigate alterations in the lung and rumen microbiota of sheep with MPS, the crosstalk between these microbial communities, and their impacts on growth phenotypes. From a cohort of 414 naturally infected six-month-old male Hu sheep, we selected 10 individuals with severe pulmonary pathology and 10 healthy controls for detailed phenotypic and microbiome analyses. Assessment of 359 phenotypic traits revealed that MPS significantly impairs feed efficiency and growth rate (p < 0.05). Through 16S rRNA gene sequencing, we found that MPS significantly altered the pulmonary microbiota community structure (p < 0.01), with a noticeable impact on the rumen microbiota composition (p = 0.059). Succinivibrionaceae_UCG-001 was significantly depleted in both the rumen and lungs of diseased sheep (p < 0.05) and strongly associated with reduced average daily feed intake (p < 0.05). In addition, pulmonary Pasteurella and ruminal Succinivibrionaceae_UCG-002 were significantly enriched in MPS-affected sheep, showed a strong positive correlation (p < 0.05), and were both negatively associated with feed efficiency (p < 0.05). Notably, Pasteurella multocida subsp. gallicida may act as a keystone species influencing feed efficiency. These findings point to a previously unrecognized rumen-lung microbial axis that may modulate host productivity in sheep affected by MPS. This work provides new insights into the pathogenesis of MPS and offers potential targets for therapeutic intervention and management.
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